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Vacuum-tube socket and contact terminals therefor

US 1,764,489 A · Inventors: MILTON ALDEN

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 17, 1930. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 17, 1947.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 19, 1924
GrantedJune 17, 1930
Term endedJune 17, 1947
Application number—
Classification (CPC)H01R33/7685
Length5 pages

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Timeline From USPTO dates

19251928193119341937194019431946Application filedDec 19, 1924Patent grantedJune 17, 1930Term endedJune 17, 1947

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